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Debian dla-4369 : squid - security update

high Nessus Plugin ID 274815

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4369 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4369-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucaris November 11, 2025 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : squid Version : 4.13-10+deb11u6 CVE ID : CVE-2025-59362 CVE-2025-62168 Debian Bug : 1117048 1118341

 Squid a popular proxy server was affected by multiple vulnerabilities

 CVE-2025-59362

 Squid mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.

 CVE-2025-62168

 A failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protections and learn the credentials a trusted client uses to authenticate.
 This potentially allows a remote client to identify security tokens or credentials used internally by a web application using Squid for backend load balancing. These attacks do not require Squid to be configured with HTTP authentication

 For Debian 11 bullseye, these problems have been fixed in version 4.13-10+deb11u6.

 We recommend that you upgrade your squid packages.

 For the detailed security status of squid please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/squid

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the squid packages.

See Also

https://security-tracker.debian.org/tracker/source-package/squid

https://security-tracker.debian.org/tracker/CVE-2025-59362

https://security-tracker.debian.org/tracker/CVE-2025-62168

https://packages.debian.org/source/bullseye/squid

Plugin Details

Severity: High

ID: 274815

File Name: debian_DLA-4369.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/11/2025

Updated: 11/11/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-62168

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:squidclient, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:squid, p-cpe:/a:debian:debian_linux:squid-purge, p-cpe:/a:debian:debian_linux:squid-cgi, p-cpe:/a:debian:debian_linux:squid-common, p-cpe:/a:debian:debian_linux:squid-openssl

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 9/23/2025

Reference Information

CVE: CVE-2025-59362, CVE-2025-62168